#!/bin/sh

# Slackware build script for Quagga routing suite
# Written by zhilla2_at_gm@il.kkom (spamprotected, figure domain out)
# This script is in the public domain

# Don't forget to set USE_PAM if you use it.

PRGNAM=quagga
VERSION=${VERSION:-1.0.20160315}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
       *) export ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

# Bail if user or group isn't valid on your system
if ! grep ^quagga: /etc/passwd 2>&1 > /dev/null; then

cat << EOF

    You must have a quagga user and group to run this script

    # groupadd -g 245 quagga
    # useradd -g quagga -u 245 -s /bin/false -c "Quagga routing suite" -d /var/run/quagga/ quagga

EOF

  exit
elif ! grep ^quaggavt: /etc/group 2>&1 > /dev/null; then

cat << EOF

    You must have a quaggavt group to run this script

    # groupadd -g 246 quaggavt

EOF

  exit
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

# use libpam for PAM support in vtysh
USE_PAM=${USE_PAM:-NO}

if [ "$USE_PAM" == 'YES' ]; then
    DO_PAM="--with-libpam"
    zcat $CWD/vtysh_user.c.diff.gz | patch -p1
    mkdir -p $PKG/etc/pam.d
    cat $CWD/quagga.pam > $PKG/etc/pam.d/quagga
else
    DO_PAM="--without-libpam"
fi

#./bootstrap.sh

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
    --prefix=/usr \
    --sysconfdir=/etc/quagga \
    --localstatedir=/var/run/quagga \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --mandir=/usr/man \
    --infodir=/usr/info \
    --enable-vtysh \
    --enable-opaque-lsa \
    --enable-ospf-te \
    --enable-dependency-tracking \
    --enable-user=quagga \
    --enable-group=quagga \
    --enable-vty-group=quaggavt \
    --enable-rtadv \
    ${DO_PAM}
#	Some options useful for troubleshooting compiling
#	problems
#    --disable-capabilities \
#    --disable-ipv6 \

sed -i -e "s#/lib#/lib${LIBDIRSUFFIX}#" Makefile

make
make install DESTDIR=$PKG

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
chown -R root.root $PKG/usr/sbin

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

rm -f $PKG/usr/info/dir
gzip -9 $PKG/usr/info/*

mv $TMP/$PRGNAM-$VERSION/*/*.sample $PKG/etc/quagga
chown root.quagga $PKG/etc/quagga ; chmod 750 $PKG/etc/quagga
chown -R root.quagga $PKG/etc/quagga/* ; chmod 640 $PKG/etc/quagga/*.sample

mkdir -p $PKG/var/run/quagga $PKG/var/log/quagga
chown quagga.quagga $PKG/var/run/quagga ; chmod 770 $PKG/var/run/quagga
chown quagga.quagga $PKG/var/log/quagga ; chmod 770 $PKG/var/log/quagga

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  AUTHORS ChangeLog COPYING* README INSTALL REPORTING-BUGS TODO SERVICES \
  $PKG/usr/doc/$PRGNAM-$VERSION

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

mkdir -p $PKG/etc/rc.d
cat $CWD/rc.quagga > $PKG/etc/rc.d/rc.quagga.new
cat $CWD/rc.watchquagga > $PKG/etc/rc.d/rc.watchquagga.new

mkdir -p $PKG/etc/logrotate.d
cat $CWD/quagga.logrotate > $PKG/etc/logrotate.d/quagga.new

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
